I am having a problem solving this straight forward program I wrote for Arduino Mega. #include <LiquidCrystal.h> LiquidCrystal lcd(5,4,3,2,9,10,11); int spump1 = 26; int pumpB = 28; int pumpC = 29; int trig1 = 22; int echo1 = 23; int trig2 = 24; int echo2 = 25; int valve1 = 30; int valve2…

arduino mega sonar and relay problem

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